Comparitive Study Of Dexamethasone Vs Clonidine As An Adjuvant To Levobupivacaine In Transversus Abdominis Plane Block For Postoperative Pain In Patients Undergoing Total Abdominal Hystrectomy. Journal of Pharmaceutical Negative Results, [S. l.], p. 98–109, 2022. DOI: 10.47750/pnr.2022.13.S02.15. Disponível em: https://pnrjournal.com/index.php/home/article/view/1129.. Acesso em: 17 jun. 2026.